Re: [cayugabirds-l] Further info Yellow House Finch

[Kevin J. McGowan]

Right. These feathers will last until the next molt, but if the bird is getting 
a better diet then, it will grow in more red ones. But, it's stuck with these 
yellow ones until the next molt, probably the end of the summer.


Kevin


Kevin J. McGowan, Ph.D.
Project Manager
Distance Learning in Bird Biology
Cornell Lab of Ornithology
159 Sapsucker Woods Road
Ithaca, NY 14850
k...@cornell.edu
607-254-2452



From: Linda Orkin 
Sent: Friday, May 5, 2017 6:17 PM
To: Kevin J. McGowan
Cc: CAYUGABIRDS-L; W Larry Hymes
Subject: Re: [cayugabirds-l] Further info Yellow House Finch

I would imagine no one can be surprised at poor condition in these birds this 
year with the dearth of carotenoid source fruits and berries over this past 
fall and winter. This would not be permanent but could be corrected with better 
diet, correct Kevin?

Thx

Linda Orkin

Sent from my iPhone

On May 5, 2017, at 5:23 PM, Kevin J. McGowan 
> wrote:


No, the most likely explanation is that it is a young male in relatively poor 
condition. The captive experiments showed that poor diet makes for more yellow 
and less red birds. Those ideas apply to wild birds, as well. Yellowish House 
Finches are relatively common. I usually see a few each year.


But, since you brought up the topic. I had occasion the other day to see the 
same phenomenon (I am guessing) in PURPLE Finches, which I don't think I've 
ever seen before. Photos of a yellowish male coming to my feeder can be seen at 
https://ebird.org/ebird/view/checklist/S35976663.


Best,


Kevin



Kevin J. McGowan
Project Manager
Distance Learning in Bird Biology
Cornell Lab of Ornithology
159 Sapsucker Woods Road
Ithaca, NY 14850
k...@cornell.edu
607-254-2452



From: 
bounce-121504884-3493...@list.cornell.edu
 
>
 on behalf of W. Larry Hymes >
Sent: Friday, May 5, 2017 4:53 PM
To: CAYUGABIRDS-L
Subject: [cayugabirds-l] Further info Yellow House Finch

Upon reading the literature, it appears that captive house finches can
have yellow coloration because of the lack of carotenoids in their
diet.  Would the most likely explanation for this particular bird be
that it escaped from captivity?

Larry

--


W. Larry Hymes
120 Vine Street, Ithaca, NY 14850
(H) 607-277-0759, w...@cornell.edu



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Re: [cayugabirds-l] Further info Yellow House Finch

[Linda Orkin]

I would imagine no one can be surprised at poor condition in these birds this 
year with the dearth of carotenoid source fruits and berries over this past 
fall and winter. This would not be permanent but could be corrected with better 
diet, correct Kevin? 

Thx 

Linda Orkin

Sent from my iPhone

> On May 5, 2017, at 5:23 PM, Kevin J. McGowan  wrote:
> 
> No, the most likely explanation is that it is a young male in relatively poor 
> condition. The captive experiments showed that poor diet makes for more 
> yellow and less red birds. Those ideas apply to wild birds, as well. 
> Yellowish House Finches are relatively common. I usually see a few each year.
> 
> 
> But, since you brought up the topic. I had occasion the other day to see the 
> same phenomenon (I am guessing) in PURPLE Finches, which I don't think I've 
> ever seen before. Photos of a yellowish male coming to my feeder can be seen 
> at https://ebird.org/ebird/view/checklist/S35976663.
> 
> 
> Best,
> 
> 
> Kevin
> 
> 
> 
> Kevin J. McGowan
> Project Manager
> Distance Learning in Bird Biology
> Cornell Lab of Ornithology
> 159 Sapsucker Woods Road
> Ithaca, NY 14850
> k...@cornell.edu
> 607-254-2452
> 
> 
> From: bounce-121504884-3493...@list.cornell.edu 
>  on behalf of W. Larry Hymes 
> 
> Sent: Friday, May 5, 2017 4:53 PM
> To: CAYUGABIRDS-L
> Subject: [cayugabirds-l] Further info Yellow House Finch
>  
> Upon reading the literature, it appears that captive house finches can 
> have yellow coloration because of the lack of carotenoids in their 
> diet.  Would the most likely explanation for this particular bird be 
> that it escaped from captivity?
> 
> Larry
> 
> -- 
> 
> 
> W. Larry Hymes
> 120 Vine Street, Ithaca, NY 14850
> (H) 607-277-0759, w...@cornell.edu
> 
> 
> 
> --
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[cayugabirds-l] Red-necked Grebes on Dryden Lake

[Kevin J. McGowan]

Chris Wood found three breeding-plumaged Red-necked Grebes on Dryden Lake 
today, on a perfect "Dryden Lake day," with cold winds and rain in May. They 
were still present at about 4:00 pm this afternoon. Also, Bank, Barn, and Tree 
swallows circling low over the water in good numbers, also, totally typical for 
a day like today.


Kevin


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[cayugabirds-l] Further info Yellow House Finch

[W. Larry Hymes]

Upon reading the literature, it appears that captive house finches can 
have yellow coloration because of the lack of carotenoids in their 
diet.  Would the most likely explanation for this particular bird be 
that it escaped from captivity?


Larry

--


W. Larry Hymes
120 Vine Street, Ithaca, NY 14850
(H) 607-277-0759, w...@cornell.edu



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[cayugabirds-l] Yellow House Finch

[W. Larry Hymes]

A couple days ago we had a *yellow* HOUSE FINCH show up at our feeders.  
I understand that male house finches can have red, yellow, or orange 
color.  But how common (uncommon) is this?

Also, we had our first *female* ROSE-BREASTED GROSBEAK today.

Larry

-- 


W. Larry Hymes
120 Vine Street, Ithaca, NY 14850
(H) 607-277-0759, w...@cornell.edu



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[cayugabirds-l] Heads up from the Crow People: West Nile Virus and nests

[AB Clark]

Dear Cayuga-birders,

WEST NILE VIRUS already diagnosed in our crows!!!   :-((
We who follow the crows want to report that Vet Pathology has just 
diagnosed West Nile Virus as cause of death of a crow in Cayuga Heights, in 
late April.   Another diagnosis is pending , but to be honest, this one is an 
even more classic case of West Nile Virus.  The first was a female incubating 
her clutch of eggs. The two crows lived within a few houses of each other, 
although were not in the same family group.  Our previous early record was the 
first week of June,which was followed by our first strong outbreak in 2002.  

Take this as a warning that mosquitoes must have overwintered well in 
our urban/suburban areas and some are carrying WNV.  And if you have had WNV 
deaths among crows in your area before, this is an indication that emerging 
mosquitoes may already be carrying it.  The culprits are Culex pipiens, the 
dusk-biting house mosquito, that reproduces in rain-filled gutters, bird baths, 
flower pot bases, etc.  They love warm, small, somewhat putrid water bodies. 


As a second point, only somewhat related to this:  We would appreciate any 
information leading to the discovery of a crow’s nest!  New this year:  one of 
my graduate students has begun a study of FISH CROWS, and we are thus 
particularly interested in Fish Crow nests.  .  So far we have found two, both 
with banded fish crows as members of the pair.  Very exciting, but we need 
more—both Fish Crows and American Crows!  Also with John Confer, we are busy 
documenting Merlin displacement-takeovers of crow nests.  So far we have two of 
those, on Fish Crow and one American Crow nest.  I am also very interested in 
data on rural American Crow nests.  Alerts can be sent to me or to Kevin, by 
phone or email. 

Thanks for help on the latter points and take note of the former point!

However unpopular it makes me, I am hoping for a cold May-June to hold back the 
mosquito populations.

 Anne


Anne B Clark
147 Hile School Rd
Freeville, NY 13068
607-222-0905
anneb.cl...@gmail.com






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Re: [cayugabirds-l] Vote for the trail....

[Linda Orkin]

Thanks Lea. I'm not at work today so I forgot. Good to have a lot of us bring 
proactive. 

Linda. 

Sent from my iPhone

> On May 5, 2017, at 2:53 PM, Lea LSF  wrote:
> 
> Just did it, and will do it every day when I am reminded.  Reminders like 
> this popping up in mailboxes are helpful!
> 
>> On Thu, May 4, 2017 at 11:15 AM, Linda Orkin  wrote:
>> 
>> 
>> 
>>> Each of us can vote EACH day till May 12. 
>>> 
>>> Vote people...it's easy. Imagine the Jim Shug trail in Dryden extended to 
>>> intersect with Ithaca trails!!
>>> 
>>> http://act.usatoday.com/submit-an-idea/#/gallery/60418376/
>>> 
>>> Linda Orkin
>>> Ithaca, NY
>> 
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Re: [cayugabirds-l] Vote for the trail....

[Lea LSF]

Just did it, and will do it every day when I am reminded.  Reminders like
this popping up in mailboxes are helpful!

On Thu, May 4, 2017 at 11:15 AM, Linda Orkin  wrote:

>
>
>
> Each of us can vote EACH day till May 12.
>>
>> Vote people...it's easy. Imagine the Jim Shug trail in Dryden extended to
>> intersect with Ithaca trails!!
>>
>> http://act.usatoday.com/submit-an-idea/#/gallery/60418376/
>>
>> Linda Orkin
>> Ithaca, NY
>>
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[cayugabirds-l] Common Yellowthroat in Cornell's Wee Stinky Glen

[Laura J. Heisey]

The one day I didn't carry my binoculars! I've never heard a Common 
Yellowthroat anywhere near there.

It was singing from the honeysuckle bushes along the creek south of the stone 
footbridge, at ~11:45 this morning. I didn't have time to stick around and get 
a look at it.

Laura

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[cayugabirds-l] Dryden's first bio blitz is coming up

[Jody Enck]

Cayuga Birders, please consider helping out with this event on May 13th.
Contact info is provided at the bottom of the message.


The First Dryden BioBlitz!

Have you ever wanted to know what lives in our wonderful Dryden Middle and
High School natural areas?  We are going to attempt to identify as many
species as possible on the school property in one day.  Our BioBlitz will
take place on Saturday May 13th from about 6 am to 6 pm.  You and your
families are welcome to attend as many or as few hours as you can.  We may
even extend the search to include some hours at night to search for owls.

BioBlitz events have been conducted all over the world the late 1990’s.
They are an attempt to identify and describe the biodiversity of a
particular area in a short amount of time (no more than 24 hours).  Some of
these events have been sponsored by National Geographic, some by
universities, and some by national parks.  We will conduct the first
BioBlitz in Upstate NY!

If you love nature, put this event on your calendar and come help our
effort.  The event is open to teachers, students and their families, and
community members who are interested in observing and identifying organisms
in our woods, fields, streams, and ponds.  We will be uploading our data to
a website called iNaturalist to share with the larger community of
scientists studying biodiversity.

For more information and to express an interest in participating, please
get in touch with Carole Erslev at cersl...@dryden.k12.ny.us.  If you have
particular expertise in identifying certain kinds of organisms, please let
me know.
Jody Enck
President, Cayuga Bird Club

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[cayugabirds-l] Meeting regarding Sister Bird Club Network

[Jody Enck]

Hello Cayuga Birders,

A group of people who are interested in this Network and especially who are
interested in planning a trip to Honduras to meet with other clubs will get
together at 2pm on this Sunday the 7th of May.  If you are interested in
attending, respond to my email privately and I'll provide you with the
location and other details.

Thanks
Jody Enck

President of the Cayuga Bird Club

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